Finding the Fourth Proportional to 785,243.37, 1,177,988.99 and 335,967.15
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Solution
The fourth proportional to 785,243.37, 1,177,988.99 and 335,967.15 is: 504,003.75
Step by Step Solution
- Step 1: Write the proportion equation
785,243.37 : 1,177,988.99 = 335,967.15 : x - Step 2: Convert to fraction form
785,243.37/1,177,988.99 = 335,967.15/x - Step 3: Cross multiply
785,243.37x = 1,177,988.99 × 335,967.15 - Step 4: Simplify right side
785,243.37x = 395,765,603,701.68 - Step 5: Solve for x
x = 395,765,603,701.68/785,243.37 - Step 6: Final answer
x = 504,003.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.